8 CALIFORNIA STATE COMMISSION OF HORTICULTURE. 



SPECIES. HOST PLANT. 



Saissetia oleae Bern.. Olive, Orange, Lemon, Grape-fruit, 



Peach, Prune, Plum, Apricot, Apple, 

 Pear, Pomegranate, Oleander, Rose, 

 Pittosporum, and many other plants 

 and shrubs. 



Physokermes insignicola Craw Pinus insignis. 



Physokermes concolor Col. . _ Abies concolor. 



Physokermes taxifolias Col. Pseudotsuga taxifolia. 



Aclerda calif ornica Ehrh. Andropogon furcatus. 



Aclerda tokionis Ckll. Bamboo. 



Subfamily DIASPIN^E. 

 *Chionaspis citri Comst . Orange. 



* Chionaspis difficilis Ckll. Elseagnus. 



Chionaspis ortholobis Comst. Willow. 



Chionaspis pinifolise Fitch Pine and other coniferous trees. 



Chionaspis quercus Comst. Oak. 



Chionaspis salicis-nigrse Walsh Willow, Ceanothus. 



* Chionaspis wistarise Cooley Wistaria. (From Japan.) 



*Howardia biclavis Comst Orange. 



Diaspis bromelise Kuw. Pineapple. 



Diaspis carueli Targ Juniper, Cupressus. 



Diaspis cattleyse Ckll. Cattleya. 



*Aulacaspis crawii Ckll Elseagnus umbellata. 



*Aulacaspis pentagona Targ. '. _ Flowering Peach, Plum, Sago-palm. 



*Aulacaspis pentagona auranticolor [Japan.) 



Ckll. Osmanthus illicifolia. (From 



Aulacaspis rosse Bouche Rose, Blackberry, Raspberry. (In- 

 festing the canes.) 



*Phenacaspis aucubse Cooley Aucuba. (From Japan.) 



*Phenacaspis chinensis Ckll. Quercus. (From China.) 



*Phenacaspis cockerelli Cooley Palm. (From China). [Japan.) 



*Phenacaspis latissima Ckll. Distylium racemosum. (From 



Hemichionaspis aspidistras Sign. Aspidistar lurida. [Japan.) 



*Leucaspis j'aponica Ckll Broom, Maple, Peonia. (From 



Leucaspis cupressi Col. Cupressus goveniana. [nifica. 



Leucaspis kelloggi Col. Pseudotsuga taxifolia, Abies mag- 



Fiorinia fiorinide Targ. 1 Cocoanut-palm, Camellia, Ferns, 



Ficus sp. 



Epidiaspis piricola Del Guer. Pear, Plum, Apple, Peach. 



Aspidiotus sesculi Johns ^Esculus calif ornica. 



Aspidiotus hederse Vail. Oleander, Ivy, Lemon, Asparagus, 



Fern, Cycas revoluta, Palms, 

 Orchids, Camellia. 



